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Old 08-06-2020, 01:49 PM   #1
msg
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Vacuum gauge options for a 66?

Ive been looking at different threads like the one below and seen that some of the oldsmobile vacuum gauges can be modified but I have no idea which gauges might be worth looking at that will be compatible.

http://67-72chevytrucks.com/vboard/s...ch#post4818388

Anyone have a few options that they can share? I was going to plan to buy the decal set to redo my cluster and thought I would make use of the left and right spots that are blanks now.
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Old 08-06-2020, 11:19 PM   #2
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Re: Vacuum gauge options for a 66?

Early 60's Pontiac, Chev, and Olds console tachs are a nice fit. They are often on ebay, but nice condition ones are starting to get a little pricey, but not too bad. Here's one - it's been a little while since I did it, but pretty sure this is what I did my vac gauge conversion with. https://www.ebay.com/itm/60s-Pontiac...wAAOSw3dVfHt~p
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Old 08-07-2020, 09:18 AM   #3
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Re: Vacuum gauge options for a 66?

Thanks Jocko! Ill do some snooping on ebay for 60 to 67ish I guess year range for all 3. Ive seen some that are for Air vs Vacuum too. I need to learn more on what the air gauge was for.
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Old 08-07-2020, 09:23 AM   #4
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Re: Vacuum gauge options for a 66?

Here is a Pontiac one I put in my Suburban way back in 2002.
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Old 08-07-2020, 10:27 AM   #5
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Re: Vacuum gauge options for a 66?

Looks great! So is $100 about what to expect on a pontiac vacuum gauge?
Interesting tach with the stem, so you set your red line with it I guess?
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Old 08-07-2020, 05:27 PM   #6
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Re: Vacuum gauge options for a 66?

Cost of the early 60s GM vac gauges is primarily driven by the condition of the chrome cup housing, so if you can find one that works, but with a crappy housing (which you won't need) you can get a good deal. Doesn't matter if Pontiac, Chev, Olds etc, all have the same guts, just a different types of detached face plates with a mfgr name on it.
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Old 08-07-2020, 05:28 PM   #7
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Re: Vacuum gauge options for a 66?

Quote:
Originally Posted by LT1 Burb View Post
Here is a Pontiac one I put in my Suburban way back in 2002.
I LIKE that tach.. what's that out of? Looks almost vac-matched!
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Old 08-08-2020, 09:22 AM   #8
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Re: Vacuum gauge options for a 66?

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Originally Posted by jocko View Post
I LIKE that tach.. what's that out of? Looks almost vac-matched!
Same year Pontiac's as vacuum gauges.
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Old 08-08-2020, 01:22 PM   #9
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Re: Vacuum gauge options for a 66?

Whats the best way to bench test the vacuum gauge before installing it?
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Old 08-09-2020, 10:16 AM   #10
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Re: Vacuum gauge options for a 66?

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Whats the best way to bench test the vacuum gauge before installing it?
suck on it!
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Old 08-09-2020, 11:25 PM   #11
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Re: Vacuum gauge options for a 66?

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Same year Pontiac's as vacuum gauges.
awesome, thank you!
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